14

2 System tour

System board

Mainboard layout

The mainboard becomes accessible once you open the system. It should look like the figure shown below.

Item

Description

 

 

BT1

Battery

 

 

CN1

LED board connector

 

 

CN2

Secondary IDE connector

 

 

CN3

Primary IDE connector

 

 

CN4

PSU (power supply unit) 12V input connector

 

 

Page 28
Image 28
Acer R300 manual System board, Mainboard layout